Screw can not directly on the siding. If there is no nail groove, made a nail hole.

螺钉不能直接钉在挂板面上。如果没有钉槽，用钉眼冲孔器做一个。

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Conclusion: Nail groove plasty has less trauma, good effect, low recurrence rate and sure prostecdtive efficacy, it is an ideal operative mode to treat acronyx.

结论： 甲沟成形术手术创伤小，预后好，复发率低，远期疗效确切，为治疗 嵌 甲 的理想手术方式。

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In addition, each groove shape opening of the utility model is a pressing part, so the structure of the nail puller is simple with low costs.

另外，本实用新型的起钉器每一个槽形口为一个冲压件，故结构较为简单，成本低。

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The rear cover is a marvel of engineering with carefully placed groove at the bottom to slide your nail and remove it with ease.

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